Home / 28,453.26-39,224.69-22,393

Finding the Fourth Proportional to 28,453.26, 39,224.69 and 22,393

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Solution

The fourth proportional to 28,453.26, 39,224.69 and 22,393 is: 30,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.26 : 39,224.69 = 22,393 : x
  2. Step 2: Convert to fraction form
    28,453.26/39,224.69 = 22,393/x
  3. Step 3: Cross multiply
    28,453.26x = 39,224.69 × 22,393
  4. Step 4: Simplify right side
    28,453.26x = 878,358,483.17
  5. Step 5: Solve for x
    x = 878,358,483.17/28,453.26
  6. Step 6: Final answer
    x = 30,870.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.